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Byju's Answer
Standard XII
Chemistry
Reaction with Diazonium Salts
X Benzoquinon...
Question
X
Y
→
B
e
n
z
o
q
u
i
n
o
n
e
Identify X and Y in the above reaction:
A
X is Cyclohexanol, Y is Zn
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B
X is Phenol, Y is
N
a
2
C
r
2
O
7
/
H
2
S
O
4
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C
X is Cyclohex-2-ene-1-ol, Y is
N
a
2
C
r
2
O
7
/
H
2
S
O
4
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D
X is Phenol, Y is Zn
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Solution
The correct option is
B
X is Phenol, Y is
N
a
2
C
r
2
O
7
/
H
2
S
O
4
The oxidation of phenol to benzoquinone can be carried out by acidifed sodium dichromate.
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Similar questions
Q.
Give the IUPAC name of the product obtained when Phenol is oxidized by chromic acid.
(
N
a
2
C
r
2
O
7
+
Conc.
H
2
S
O
4
)
.
Q.
Identify X and Y in the following chemical reaction.
NaOH(aq)
+
X
→
Na
2
ZnO
2
(aq)
+
Y
Q.
[
X
]
+
H
2
S
O
4
→
[
Y
]
a colorless gas with irritating smell,
[
Y
]
+
K
2
C
r
2
O
7
+
H
2
S
O
4
→
Green solution,
[
X
]
and
[
Y
]
is:
Q.
[
X
]
+
H
2
S
O
4
→
[
Y
]
a colourless gas with irritating smell
[
Y
]
+
K
2
C
r
2
O
7
+
H
2
S
O
4
→
green solution
[
X
]
and
[
Y
]
is:
Q.
From the following information
X
+
H
2
S
O
4
→
Y
(a colourless and irritating gas)
Y
+
K
2
C
r
2
O
7
+
H
2
S
O
4
→
green coloured solution. Identify the pair
X
and
Y
.
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